Home / 152,905.84-211,008.60-85,837.36

Finding the Fourth Proportional to 152,905.84, 211,008.60 and 85,837.36

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Solution

The fourth proportional to 152,905.84, 211,008.60 and 85,837.36 is: 118,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905.84 : 211,008.60 = 85,837.36 : x
  2. Step 2: Convert to fraction form
    152,905.84/211,008.60 = 85,837.36/x
  3. Step 3: Cross multiply
    152,905.84x = 211,008.60 × 85,837.36
  4. Step 4: Simplify right side
    152,905.84x = 18,112,421,161.30
  5. Step 5: Solve for x
    x = 18,112,421,161.30/152,905.84
  6. Step 6: Final answer
    x = 118,454.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.